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Method and apparatus for positioning a mobile terminal in a radio network

a mobile terminal and radio network technology, applied in the field of radio network positioning methods and apparatuses, can solve the problems of unsatisfactory vertical positioning results

Active Publication Date: 2016-10-06
SONY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent text describes a method for positioning a mobile terminal in a radio network using signals transmitted from base stations. The method takes into account the time it takes for the signal to travel from the base station to the mobile terminal and the elevation angle of the line of sight between them. The method can determine the vertical position of the mobile terminal with a high level of accuracy. The technical effect of this patent is to provide a reliable and accurate method for positioning mobile terminals in a radio network, which can be used in various applications such as emergency calls and location-based advertisements.

Problems solved by technology

However, even with the use of OTDOA or other time of arrival measurement techniques, vertical positioning has hitherto not been satisfactory, i.e. determination of altitude of a mobile terminal.

Method used

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  • Method and apparatus for positioning a mobile terminal in a radio network
  • Method and apparatus for positioning a mobile terminal in a radio network
  • Method and apparatus for positioning a mobile terminal in a radio network

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Embodiment Construction

[0049]In the following description, for purposes of explanation and not limitation, details are set forth herein related to various embodiments. However, it will be apparent to those skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In some instances, detailed descriptions of well-known devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

[0050]The functions of the various elements including functional blocks, which may be provided through the use of hardware such as circuit hardware and / or hardware capable of executing software in the form of coded instructions stored on computer readable medium. Thus, such functions and illustrated functional blocks are to be understood as being either hardware-implemented and / or computer-implemented, and thus machine-implemented. In terms of hardware implementation, the functional blocks may includ...

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Abstract

A method for positioning a mobile terminal in a radio network including a plurality of base stations, comprising: transmitting a signal from a base station for receipt in the mobile terminal along a line of sight of a radio beam; receiving time measurement data from the mobile terminal, obtained based on receipt in the mobile terminal of the transmitted signal; calculating a distance value (DLOS) for the distance from the base station to the mobile terminal based on the time measurement data; and calculating a vertical position (Dv) of the mobile terminal, based on the distance value and an elevation angle (θ) of the line of sight of the radio beam from one or more of the plurality of base stations.

Description

CROSS REFERENCE TO RELATED APPLICATION[0001]This application is a continuation-in-part of International Application No. PCT / EP2015 / 057130, filed Mar. 31, 2015, the disclosure of which is hereby incorporated herein by reference.FIELD OF THE INVENTION[0002]The present invention relates to method and an apparatus for positioning a mobile terminal in a radio network. More specifically, the invention relates to a solution for providing an estimate of a vertical position of a mobile terminal.BACKGROUND[0003]Satellite navigation systems provide autonomous geo-spatial positioning with global or regional coverage. At the present, the dominating GNSS is the Global Positioning System (GPS). A GPS receiver has the ability to determine its geographic location to within a few meters using time signals transmitted along a line-of-sight by radio from satellites. However, there are situations when it is not possible or even permitted for a portable electronic device with a GPS receiver to receive th...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): H04W4/02H04W24/08H04B7/04
CPCH04W4/023H04W24/08H04B7/0413G01S1/10G01S5/12H04W64/00H04B7/0617H04W64/006
Inventor PRIYANTO, BASUKIBERGGREN, ANDERS
Owner SONY CORP
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